FREE 50% Speed Upgrade for Time Warner Cable Internet Customers
if you have a DOCSIS 2.0 modem and standard 10/1 (15/1) you will see your speed with powerboost as it stays on just long enough to trick the speedtest.
if you have a DOCSIS 3.0 modem you will not have powerboost and will see your true speed.
Side notes you can get the TWC discount if you have other internet choices in you area
If your only choice is TWC you are out of luck, they will not lower your monthly service charge.